fuel pump Strainer Buell injection models

For XB and injected Tube frame models ( replacement for P0806.K )

Why is it important to replace your fuel pump strainer regularly, even though your fuel pump is functioning perfectly fine?  The fuel pump strainer (also known as pre-filter or fuel sock) is a fuel system's first line of defence against fuel system contamination; including dirt, dust, or other fine particles found in regular pump gasoline.  Gasoline also has a tendency to varnish over time, leaving a thick filmy layer over everything inside the tank--from the fuel pump internals, to the tank walls, and especially the strainer / pre-filter.  A varnished or clogged strainer restricts flow, forcing the fuel pump to work harder, which affects pump longevity.  Without a doubt, fuel tank varnishing and strainer clogging are the #1 causes of fuel pump failure